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J Clin Monit Comput. 2007 Dec;21(6):331-3. Epub 2007 Oct 2.

Using Bland-Altman to assess agreement between two medical devices--don't forget the confidence intervals!

Author information

1
Edwards Lifesciences, One Edwards Way, Irvine, CA 92614, USA. Cody_Hamilton@Edwards.com

Abstract

The limits of agreement approach of Bland and Altman is by far the most popular method for investigating statistical agreement between two measurement devices. This work presents the dangers of relying exclusively on the limits of agreement alone and argues that authors should always provide confidence intervals to assess the variability in the estimated limits.

PMID:
17909978
DOI:
10.1007/s10877-007-9092-x
[Indexed for MEDLINE]

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